METSÄMUURONEN, J.; UKKOLA, A. Rudimentary stages of the mathematical thinking and proficiency: Mathematical skills of low-performing pupils at the beginning of the first grade. LUMAT: International Journal on Math, Science and Technology Education, [S. l.], v. 10, n. 2, p. 56–83, 2022. DOI: 10.31129/LUMAT.10.2.1632. Disponível em: https://journals.helsinki.fi/lumat/article/view/1632. Acesso em: 3 oct. 2022.